.content {
    width: 100%;
    height: 100%;
    margin: 100px auto;
}
.content-txt{
    text-align: center
}
.content-right {
    width: 600px;
    height: 100px;
    margin: 30px auto
}
.item {
    width: 120px;
    float: left;
    cursor: pointer;
    margin-right: 30px
}
.img-content {
    width: 80px;
    height: 80px;
    margin: 0 auto;
}
img {
    width: 100%;
    border: none
}
span {
    display: inline-block;
    width: 100%;
    text-align: center;
    color: #333
}